245   struct ServerData {  struct in grpc::testing::__anone44ab2f60111::CFStreamTest
246     int port_;
247     const std::string creds_;
248     std::unique_ptr<Server> server_;
249     TestServiceImpl service_;
250     std::unique_ptr<std::thread> thread_;
251     bool server_ready_ = false;
253     ServerData(int port, const std::string& creds)  in ServerData()  function
256     void Start(const std::string& server_host) {  in Start()
268     void Serve(const std::string& server_host, std::mutex* mu,  in Serve()
283     void Shutdown(bool join = true) {  in Shutdown()